507491499 has 8 divisors (see below), whose sum is σ = 678046720. Its totient is φ = 337631976.

The previous prime is 507491489. The next prime is 507491549. The reversal of 507491499 is 994194705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 507491499 - 2¹² = 507487403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507491419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172219 + ... + 175140.

It is an arithmetic number, because the mean of its divisors is an integer number (84755840).

Almost surely, 2^507491499 is an apocalyptic number.

507491499 is a deficient number, since it is larger than the sum of its proper divisors (170555221).

507491499 is a wasteful number, since it uses less digits than its factorization.

507491499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347849.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 507491499 is about 22527.5719730290. The cubic root of 507491499 is about 797.6448960560.

The spelling of 507491499 in words is "five hundred seven million, four hundred ninety-one thousand, four hundred ninety-nine".